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# SPDX-License-Identifier: GPL-2.0-only
config ARCH_HAS_UBSAN_SANITIZE_ALL
	bool

config UBSAN
	bool "Undefined behaviour sanity checker"
	help
	  This option enables undefined behaviour sanity checker
	  Compile-time instrumentation is used to detect various undefined
	  behaviours in runtime.

if UBSAN

config UBSAN_SANITIZE_ALL
	bool "Enable instrumentation for all of barebox"
	depends on ARCH_HAS_UBSAN_SANITIZE_ALL
	default y
	help
	  This option activates instrumentation for all of barebox.
	  If you don't enable this option, you have to explicitly specify
	  UBSAN_SANITIZE := y for the files/directories you want to check for UB.
	  Enabling this option will get barebox image size increased
	  significantly.

config UBSAN_NO_ALIGNMENT
	bool "Disable checking of pointers alignment"
	default y if HAVE_EFFICIENT_UNALIGNED_ACCESS
	help
	  This option disables the check of unaligned memory accesses.
	  This option should be used when building allmodconfig.
	  Disabling this option on architectures that support unaligned
	  accesses may produce a lot of false positives.

config UBSAN_ALIGNMENT
	def_bool !UBSAN_NO_ALIGNMENT

endif